200201020220121 has 32 divisors (see below), whose sum is σ = 281852954741760. Its totient is φ = 126052034366016.

The previous prime is 200201020220081. The next prime is 200201020220141. The reversal of 200201020220121 is 121022020102002.

It is not a de Polignac number, because 200201020220121 - 2¹⁸ = 200201019957977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200201020220121.

It is not an unprimeable number, because it can be changed into a prime (200201020220141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37000780 + ... + 42064946.

It is an arithmetic number, because the mean of its divisors is an integer number (8807904835680).

Almost surely, 2^{200201020220121} is an apocalyptic number.

It is an amenable number.

200201020220121 is a deficient number, since it is larger than the sum of its proper divisors (81651934521639).

200201020220121 is a wasteful number, since it uses less digits than its factorization.

200201020220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5066333.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 200201020220121 its reverse (121022020102002), we get a palindrome (321223040322123).

The spelling of 200201020220121 in words is "two hundred trillion, two hundred one billion, twenty million, two hundred twenty thousand, one hundred twenty-one".